{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["application", "concept or principle", "machanical property", "biomedical", "enabling technology", "engineering feature"], "input": "Finally , the most important challenge is how to obtain the global optimum when using lattice structures ."}
{"application": [], "concept or principle": [], "machanical property": [], "biomedical": [], "enabling technology": [], "engineering feature": ["lattice structures"]}